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when i install GLX-Dock (Cairo-Dock with openGL) my unity desktop environment crashed and there is nothing except with the background image. i thought due to ccsm and also i had already install and runned Avant Window navigator. my others accounts like gnome and unity 2d runs as they were. how can i again make work unity.

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Running unity --reset should fix most Unity issues.

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Try re-naming your .config folder to something like .config-backup, removing cairo-dock, and rebooting.

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